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Using Jackson's TreeModel to parse types from JSON
ObjectMapper mapper = new ObjectMapper();
JsonNode rootNode = mapper.readValue(compoundCriteria,
JsonNode.class);
if(rootNode.has("ContextualCriteria"))
{
JsonNode contextualNode = rootNode.get("ContextualCriteria");
ContextualCriteria contextualCriteria = (ContextualCriteria)
fromJson(contextualNode.toString(),
ContextualCriteria.class);
query.addCriteria(contextualCriteria);
}
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